Contigo Shake & Go Plastic Tumblers - Set of 3 (Lavender Orange & Clear) Ideal for mixing and chilling: iced tea, iced coffee, powdered beverages, water enchancers Make it! Shake it! Take it! 100% leak-proof shaking & mixing (with straw removed). Autoclose lid automatically seals with straw removed. Double-wall construction keeps beeverages colder longer and reduces sweating. Shatter resistant BPA free tritan construction.